primnumber.java

可以让初学者有一个感性的认识

package tom.jiafei;

public class PrimNumber
{
	int number;
	StringBuffer result;

	public PrimNumber(){result=new StringBuffer();}

	public int getNumber(){return number;}

	public StringBuffer getResult(){return result;}
	

	public void setNumber(int n)
	{
		number=n;
		int i,j;
		for(i=2;i<=number;i++)
		{
			for(j=2;j<i;j++)
				if(i%j==0)break;
			if(j>=i)result.append(""+i+"<BR>");
		}
	}

}